Pressure switch



FIG. 1 is a front view of a pressure switch having our new design.

FIG. 2 is a left side view thereof.

FIG. 3 is a right side view thereof.

FIG. 4 is a back view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is a bottom front right perspective view thereof, it being understood that a bottom front left perspective view is a mirror image thereof; and,

FIG. 8 is a bottom back right perspective view thereof; it being understood that a bottom back left perspective view is a mirror image thereof.

The broken lines in the drawings depict portions of the pressure switch that form no part of the claimed design. 

CLAIM The ornamental design for a pressure switch, as shown and described. 